The 1998/1999 season for Olympique de Marseille saw the club navigating through various challenges, both domestically and in European competitions, with mixed results in away matches. Here's an overview:

1. Ligue 1 Campaign: Marseille had a relatively modest performance in Ligue 1 during the 1998/1999 season. Managed by Rolland Courbis, they finished the league season in 9th place. Marseille struggled to find consistency in their away matches, which impacted their overall league standing.

2. UEFA Cup: In the UEFA Cup (now UEFA Europa League), Marseille had a challenging campaign during the 1998/1999 season. They were eliminated in the first round by Slavia Prague. Marseille faced difficulties in their away matches in the UEFA Cup, which contributed to their early exit from the competition.

3. Coupe de France: Marseille's performance in the Coupe de France during the 1998/1999 season was relatively unremarkable. They were eliminated in the Round of 32 by Bordeaux, failing to advance to the later stages of the tournament. The early exit from the Coupe de France added to the frustrations of the season for Marseille.

4. Squad and Key Players: Marseille's squad during the 1998/1999 season featured key players such as Fabrizio Ravanelli, Florian Maurice, and William Gallas. These players played pivotal roles in the team's performances, contributing with their skill, experience, and leadership on the pitch.

5. Managerial Influence: Rolland Courbis' managerial influence was significant during the 1998/1999 season. While he had successes with the team, particularly at home, he faced challenges in maintaining consistency and achieving success in away matches. Despite his efforts, Marseille fell short of expectations in the league and cup competitions.

Overall, the 1998/1999 season was a challenging one for Olympique de Marseille, as they struggled to find consistency and achieve success in away matches. While they had some positive moments, particularly at home, their performances on the road were not as consistent as desired, leading to difficulties in securing positive results away from home. The season highlighted the need for improvement and adjustments for Marseille to compete effectively in the future.